Code 20287: “LDM 1 – Fan 2 speed too high”

Situation

Solution

Fan speed too high of one fan of the LDM

  1. Malfunctioning fan. Replacement needed. Remove the fan from the LDM and replace the fan. See service procedure "Removing a fan from an LDM".

  2. If problem persist replace the LDM. See service procedure "Replacing a Laser Drive Module".

Fan speed error on both fans of the LDM. Malfunction LDM.

Replace the LDM. See service procedure "Replacing a Laser Drive Module".